Home / 10,587.77-15,890.39-5,324.28

Finding the Fourth Proportional to 10,587.77, 15,890.39 and 5,324.28

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Solution

The fourth proportional to 10,587.77, 15,890.39 and 5,324.28 is: 7,990.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,587.77 : 15,890.39 = 5,324.28 : x
  2. Step 2: Convert to fraction form
    10,587.77/15,890.39 = 5,324.28/x
  3. Step 3: Cross multiply
    10,587.77x = 15,890.39 × 5,324.28
  4. Step 4: Simplify right side
    10,587.77x = 84,604,938.76
  5. Step 5: Solve for x
    x = 84,604,938.76/10,587.77
  6. Step 6: Final answer
    x = 7,990.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.